[Clinicopathological conference. No. 216].
D006801:Humans; D007945:Leukemia, Lymphoid / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D011020:Pneumonia, Pneumocystis / Q000473:pathology*; D011649:Pulmonary Alveolar Proteinosis / Q000473:pathology